Java tutorial
//package com.java2s; /** * Copyright 2004-2014 Riccardo Solmi. All rights reserved. * This file is part of the Whole Platform. * * The Whole Platform is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * The Whole Platform is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with the Whole Platform. If not, see <http://www.gnu.org/licenses/>. */ import java.lang.reflect.Array; import java.util.Arrays; public class Main { @SuppressWarnings("unchecked") public static <T> T[] grow(T[] array, int length, T fillElement) { Class<T> componentType = (Class<T>) array.getClass().getComponentType(); T[] newArray = (T[]) Array.newInstance(componentType, length); System.arraycopy(array, 0, newArray, 0, array.length); Arrays.fill(newArray, array.length, newArray.length, fillElement); return newArray; } public static boolean[] grow(boolean[] array, int length, boolean fillElement) { boolean[] newArray = new boolean[length]; System.arraycopy(array, 0, newArray, 0, array.length); Arrays.fill(newArray, array.length, newArray.length, fillElement); return newArray; } }